diff --git a/library/stdarch/crates/core_arch/src/lib.rs b/library/stdarch/crates/core_arch/src/lib.rs
index d936d0cc1cdb..dcec914bccb4 100644
--- a/library/stdarch/crates/core_arch/src/lib.rs
+++ b/library/stdarch/crates/core_arch/src/lib.rs
@@ -17,7 +17,6 @@
     rustc_attrs,
     stdsimd,
     staged_api,
-    align_offset,
     maybe_uninit,
     doc_cfg,
     mmx_target_feature,